| 000 | 00886nam#a2200277#c#4500 | ||
|---|---|---|---|
| 003 | IEF | ||
| 005 | 20180219173306.0 | ||
| 008 | 031023s2003 ESP####fr####| 0||u|ENG|u | ||
| 040 | _aIEF | ||
| 041 | _aENG | ||
| 100 | 1 |
_aHansen, Karsten T. _949014 |
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| 245 |
_aThe effects of schooling and abilyti on achievement test scores _cKarsten Hansen, James J. Heckman, Kathleen J. Mullen |
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| 260 |
_aCambridge (Mass.) _b National Bureau of Economic Research (NBER) _c2003 |
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| 300 |
_a41 p. _c22 cm. |
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| 500 | _aResumen. BibliografĂa. ApĂ©ndices | ||
| 490 | _aNBER working paper;9881 | ||
| 650 | 4 |
_aEDUCACION _943264 |
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| 650 | 4 |
_aMODELOS ECONOMETRICOS _947776 |
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| 650 | 4 |
_aPOLITICA EDUCATIVA _948057 |
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| 650 | 4 |
_aESTADOS UNIDOS _942888 |
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| 700 | 1 |
_aHeckman, James Joseph _920868 |
|
| 700 | 1 |
_aMullen, Kathleen J. _949015 |
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| 942 | _cLIB | ||
| 942 | _z104781 | ||
| 999 |
_c129230 _d129230 |
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